asyncmcp – Run MCP over async transport via AWS SNS+SQS

In plain words

asyncmcp is a tool that enables the Model Context Protocol (MCP) to operate asynchronously using AWS SNS and SQS for message transport. It allows developers to run MCP-based applications without requiring synchronous connections, making it suitable for distributed systems and serverless architectures. The project is designed for engineers working with AWS infrastructure who need to integrate MCP functionality into event-driven workflows.

written from the facts on this page · September 2026

From the sources

MCP is an open protocol that standardizes how applications provide context to LLMs. But a lot of this context is not always readily available and takes time for the applications to process - think batch processing APIs, webhooks or queues. In these cases with the current transport layers, the MCP server would have to expose a light-weight polling wrapper in the MCP layer to allow waiting and polling for the tasks to be done. Although SSE does provide async functionalities but it comes with caveats. asyncmcp explores supporting more of the async transport layer implementations for MCP clients and servers, beyond the officially supported stdio and Streamable Http transports. The whole idea of…from github.com

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